40 lines
1004 B
Python
40 lines
1004 B
Python
import pickle
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class Ledger():
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def __init__(self) -> None:
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self.data = []
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self.indexes = {} # ID: Index
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def readLedger(self, ID):
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data = None
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index = self.indexes.get(ID, None)
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if index is not None:
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data = self.data[index]
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return data
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def writeLedger(self, ID, data):
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oldData = self.readLedger(ID)
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if oldData is not None:
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data = self.updateLedger(data, oldData)
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index = self.indexes[ID]
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self.data[index] = data
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else:
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self.data.append(data)
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index = len(self.data) - 1
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self.indexes.update({ID: index})
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def updateLedger(self, data, newData):
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return data
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def main():
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ledger = Ledger()
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ledger.writeLedger("Sus", [0,1])
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ledger.writeLedger("Cum", [2,2])
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print(ledger.readLedger("Cum"))
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ledger.writeLedger("Cum", [2,3])
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print(ledger.readLedger("Cum"))
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if __name__ == "__main__":
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main() |